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Conduit busduct.jpg

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Topside of firestop with penetrants consisting of electrical conduit on the left and a bus duct on the right. The firestop consists of firestop mortar on top and rockwool on the bottom, for a 2 hour fire-resistance rating.

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current08:42, May 2, 2012Thumbnail for version as of 08:42, May 2, 20123,456 × 1,799 (539 KB)The River Nile-2 (Talk | contribs)

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